We said we would keep them.

我们说过要保存它们的。

《牛津词典》

He wants to keep them all in his office for reasons best known to himself.

他想把他们都留在他的办公室里，原因只有他自己知道。

《牛津词典》

youdao

Yet,every day,Americans depend on their transportation system to keep them, and the largest economy in the world, on the move.

VOA: special.2010.01.11

Holy things only exist because of safeguards, rules that keep them separate, that demarcate them.

神圣的事物只有在保护措施，规定，存在的时候才会存在，它们被和世俗区别开来。

耶鲁公开课 - 旧约导论课程节选

I mean, they last forever. You can keep them on for... like a month or something. Yeah, it's awesome.So, yeah.

它们可以维持很久。你可以把他们留在阅读器里，长达一个月。是的，太棒了，嗯。

我的爱好是读书 - SpeakingMax英语口语达人

Mr. Phillips was on hand to teach about the instruments and keep them in shape.

WSJ: Restoration Hardware | By Heidi Waleson

She said she was trying to keep them occupied so they didn't get more agitated.

WSJ: Woman Tried to Reason With London Attackers

Many of the babies have private, dark rooms with high-tech rocking machines to keep them calm.

NPR: Tenn. Hospital Treats Drug-Dependent Babies